/usr/bin/java -Xmx8000000000 -Xss4m -jar ./plugins/org.eclipse.equinox.launcher_1.3.100.v20150511-1540.jar -data @noDefault -ultimatedata ./data -tc ../../../trunk/examples/toolchains/AutomizerC.xml --traceabstraction.trace.refinement.strategy FIXED_PREFERENCES --traceabstraction.compute.interpolants.along.a.counterexample Craig_NestedInterpolation --traceabstraction.smt.solver Internal_SMTInterpol --traceabstraction.compute.trace.for.counterexample.result false --traceabstraction.use.minimal.unsat.core.enumeration true --traceabstraction.additional.smt.options produce-proofs=true --traceabstraction.additional.smt.options produce-unsat-cores=true --traceabstraction.additional.smt.options enumeration-timeout=1000 --traceabstraction.additional.smt.options interpolation-heuristic=SMALLEST --traceabstraction.additional.smt.options log-additional-information=true -s ../../../trunk/examples/settings/default/automizer/svcomp-Reach-64bit-Automizer_Default.epf -i ../../../trunk/examples/svcomp/ldv-linux-3.14/linux-3.14_complex_emg_linux-kernel-locking-spinlock_drivers-media-usb-em28xx-em28xx-v4l.cil.i -------------------------------------------------------------------------------- This is Ultimate 0.1.25-eb0fd7c [2020-09-21 13:08:47,416 INFO L177 SettingsManager]: Resetting all preferences to default values... [2020-09-21 13:08:47,419 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2020-09-21 13:08:47,446 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2020-09-21 13:08:47,446 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2020-09-21 13:08:47,448 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2020-09-21 13:08:47,450 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2020-09-21 13:08:47,452 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2020-09-21 13:08:47,454 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2020-09-21 13:08:47,455 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2020-09-21 13:08:47,456 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2020-09-21 13:08:47,457 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2020-09-21 13:08:47,457 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2020-09-21 13:08:47,459 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2020-09-21 13:08:47,460 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2020-09-21 13:08:47,461 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2020-09-21 13:08:47,462 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2020-09-21 13:08:47,463 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2020-09-21 13:08:47,466 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2020-09-21 13:08:47,468 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2020-09-21 13:08:47,469 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2020-09-21 13:08:47,471 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2020-09-21 13:08:47,472 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2020-09-21 13:08:47,473 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2020-09-21 13:08:47,476 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... 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[2020-09-21 13:08:47,490 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/settings/default/automizer/svcomp-Reach-64bit-Automizer_Default.epf [2020-09-21 13:08:47,516 INFO L113 SettingsManager]: Loading preferences was successful [2020-09-21 13:08:47,517 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2020-09-21 13:08:47,518 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2020-09-21 13:08:47,518 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2020-09-21 13:08:47,518 INFO L138 SettingsManager]: * Use SBE=true [2020-09-21 13:08:47,519 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2020-09-21 13:08:47,519 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2020-09-21 13:08:47,519 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2020-09-21 13:08:47,519 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2020-09-21 13:08:47,519 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2020-09-21 13:08:47,520 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2020-09-21 13:08:47,520 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2020-09-21 13:08:47,520 INFO L138 SettingsManager]: * Use constant arrays=true [2020-09-21 13:08:47,520 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2020-09-21 13:08:47,520 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2020-09-21 13:08:47,521 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2020-09-21 13:08:47,521 INFO L138 SettingsManager]: * To the following directory=./dump/ [2020-09-21 13:08:47,521 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2020-09-21 13:08:47,521 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2020-09-21 13:08:47,521 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2020-09-21 13:08:47,522 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2020-09-21 13:08:47,522 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2020-09-21 13:08:47,522 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2020-09-21 13:08:47,522 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2020-09-21 13:08:47,522 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2020-09-21 13:08:47,523 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2020-09-21 13:08:47,523 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2020-09-21 13:08:47,523 INFO L138 SettingsManager]: * To the following directory=dump/ Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Trace refinement strategy -> FIXED_PREFERENCES Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Compute Interpolants along a Counterexample -> Craig_NestedInterpolation Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: SMT solver -> Internal_SMTInterpol Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Compute trace for counterexample result -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Use minimal unsat core enumeration -> true Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Additional SMT options -> produce-proofs=true;produce-unsat-cores=true;enumeration-timeout=1000;interpolation-heuristic=SMALLEST;log-additional-information=true; Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Additional SMT options -> produce-proofs=true;produce-unsat-cores=true;enumeration-timeout=1000;interpolation-heuristic=SMALLEST;log-additional-information=true; Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Additional SMT options -> produce-proofs=true;produce-unsat-cores=true;enumeration-timeout=1000;interpolation-heuristic=SMALLEST;log-additional-information=true; Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Additional SMT options -> produce-proofs=true;produce-unsat-cores=true;enumeration-timeout=1000;interpolation-heuristic=SMALLEST;log-additional-information=true; Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Additional SMT options -> produce-proofs=true;produce-unsat-cores=true;enumeration-timeout=1000;interpolation-heuristic=SMALLEST;log-additional-information=true; [2020-09-21 13:08:48,012 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2020-09-21 13:08:48,036 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2020-09-21 13:08:48,041 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2020-09-21 13:08:48,042 INFO L271 PluginConnector]: Initializing CDTParser... [2020-09-21 13:08:48,043 INFO L275 PluginConnector]: CDTParser initialized [2020-09-21 13:08:48,044 INFO L429 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/ldv-linux-3.14/linux-3.14_complex_emg_linux-kernel-locking-spinlock_drivers-media-usb-em28xx-em28xx-v4l.cil.i [2020-09-21 13:08:48,139 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/data/63fafd6f9/f7b104368f08457e90f614e8360fe500/FLAG9301cc788 [2020-09-21 13:08:49,067 INFO L306 CDTParser]: Found 1 translation units. [2020-09-21 13:08:49,068 INFO L160 CDTParser]: Scanning /storage/repos/ultimate-2/trunk/examples/svcomp/ldv-linux-3.14/linux-3.14_complex_emg_linux-kernel-locking-spinlock_drivers-media-usb-em28xx-em28xx-v4l.cil.i [2020-09-21 13:08:49,121 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/data/63fafd6f9/f7b104368f08457e90f614e8360fe500/FLAG9301cc788 [2020-09-21 13:08:49,503 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/data/63fafd6f9/f7b104368f08457e90f614e8360fe500 [2020-09-21 13:08:49,517 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2020-09-21 13:08:49,524 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements. [2020-09-21 13:08:49,525 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2020-09-21 13:08:49,525 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2020-09-21 13:08:49,530 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2020-09-21 13:08:49,531 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 21.09 01:08:49" (1/1) ... [2020-09-21 13:08:49,535 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@612194b2 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.09 01:08:49, skipping insertion in model container [2020-09-21 13:08:49,536 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 21.09 01:08:49" (1/1) ... [2020-09-21 13:08:49,545 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2020-09-21 13:08:49,727 INFO L178 MainTranslator]: Built tables and reachable declarations [2020-09-21 13:08:51,746 ERROR L326 MainTranslator]: Unsupported Syntax: we need to generalize this to nested and/or variable length arrays [2020-09-21 13:08:51,748 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.CACSL2BoogieTranslatorObserver@54becef5 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.09 01:08:51, skipping insertion in model container [2020-09-21 13:08:51,748 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2020-09-21 13:08:51,748 INFO L184 ToolchainWalker]: Toolchain execution was canceled (user or tool) before executing de.uni_freiburg.informatik.ultimate.boogie.preprocessor [2020-09-21 13:08:51,754 INFO L168 Benchmark]: Toolchain (without parser) took 2231.26 ms. Allocated memory was 138.9 MB in the beginning and 241.2 MB in the end (delta: 102.2 MB). Free memory was 84.9 MB in the beginning and 170.5 MB in the end (delta: -85.6 MB). Peak memory consumption was 40.7 MB. Max. memory is 7.1 GB. [2020-09-21 13:08:51,755 INFO L168 Benchmark]: CDTParser took 1.13 ms. Allocated memory is still 138.9 MB. Free memory was 120.4 MB in the beginning and 120.2 MB in the end (delta: 209.8 kB). There was no memory consumed. Max. memory is 7.1 GB. [2020-09-21 13:08:51,756 INFO L168 Benchmark]: CACSL2BoogieTranslator took 2223.04 ms. Allocated memory was 138.9 MB in the beginning and 241.2 MB in the end (delta: 102.2 MB). Free memory was 84.3 MB in the beginning and 170.5 MB in the end (delta: -86.3 MB). Peak memory consumption was 40.1 MB. Max. memory is 7.1 GB. [2020-09-21 13:08:51,760 INFO L336 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 1.13 ms. Allocated memory is still 138.9 MB. Free memory was 120.4 MB in the beginning and 120.2 MB in the end (delta: 209.8 kB). There was no memory consumed. Max. memory is 7.1 GB. * CACSL2BoogieTranslator took 2223.04 ms. Allocated memory was 138.9 MB in the beginning and 241.2 MB in the end (delta: 102.2 MB). Free memory was 84.3 MB in the beginning and 170.5 MB in the end (delta: -86.3 MB). Peak memory consumption was 40.1 MB. Max. memory is 7.1 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: - UnsupportedSyntaxResult [Line: 6826]: Unsupported Syntax we need to generalize this to nested and/or variable length arrays RESULT: Ultimate could not prove your program: Toolchain returned no result. Received shutdown request...